80 NATL. ARBORETUM CONTRIB. NO. 2, U.S. DEPT. AGR. 



M. cv. Jonathan (Apple)— 



cv. Silvia 



M. baccata 



M. cv. Yellow Transparent (Apple)— 1 



= cv. South Dakota Bison (Hansen, N. E.) 

 M. cv. Jonathan (Apple)— , 



cv. Silvia 



M. baccata 



M. cv. Yellow Transparent (Apple) 



— cv. South Dakota Bona (Hansen, N. E.) 

 M. cv. Jonathan (Apple) — | 



cv. Tony 



M. baccata- 



M. cv. Alexander (Apple) — , 



Unknown - 



cv. McMahon 

 (Apple) — 



= cv. South Dakota Eda (Hansen, N. E.) 



M. cv. Jonathan (Apple) 



M. baccata (Irkutsk seedling)*— 



M. cv. Mcintosh ( Apple )- 

 M. baccata 



= cv. South Dakota Jonsib (Hansen, N. E.) 

 cv. South Dakota Macata (Hansen, N. E.) 



M. sieboldii- 



cv. Gorgeous 



M. halliana—± cv. Jack Humm 



cv. John Downie*— I 



M. floribunda 

 M. prunifolia- 



M. baccata — 

 M. prunifolia—l 



M. X robusta* — , 

 Unknown 



M. X scheideckeri*— 



— cv. Sovereign (Nairn) 



cv. Dolgo* — | 



Unknown — I 



cv. Spring Snow* (P.P. #2667) (Porter) 



33 Raised from seed of authentic origin obtained by N. E. Hansen from 

 M. baccata tree growing wild near Irkutsk, Lake Baikal Region, eastern 

 Siberia. 



